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A low-cost black fdm printing wire prepared by recycling cigarette film masterbatch and its preparation method and application

A low-cost printing wire technology, applied in the field of materials, can solve the problems of expensive PLA-type 3D printing materials, increase the time and cost of production, and high printing costs, achieve good coloring effects, simplify production processes and processes, and reduce production. cost effect

Active Publication Date: 2022-04-29
KUNMING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PLA-type 3D printing materials are still relatively expensive, and the cost of printing is high, making it difficult to popularize
In addition, the PLA masterbatch is white. During use, it is necessary to add different color masterbatches, dispersants, compatibilizers and other additives for coloring according to different market demands. Increased time and cost to generate

Method used

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  • A low-cost black fdm printing wire prepared by recycling cigarette film masterbatch and its preparation method and application
  • A low-cost black fdm printing wire prepared by recycling cigarette film masterbatch and its preparation method and application
  • A low-cost black fdm printing wire prepared by recycling cigarette film masterbatch and its preparation method and application

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Experimental program
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Effect test

preparation example Construction

[0040] The preparation method of the low-cost black FDM printing wire rod prepared by recycling cigarette film masterbatch according to the present invention comprises the following steps:

[0041] A. Dry the raw material recycled tobacco film masterbatch and polylactic acid (PLA) in a vacuum drying oven for 24 hours for later use;

[0042] B. Weigh the dried recycled cigarette film masterbatch and polylactic acid, compatibilizer, additives, and white oil according to the formula ratio, add them to the high-mixer and heat to 90~110°C, and stir at a speed of 4000~6000rpm for 30 ~50min to get material a;

[0043] C. Extrude material a through a twin-screw extruder, then cool to room temperature and send it to a pelletizer to cut to obtain material b;

[0044] D. Extrude material b through a die in a twin-screw extruder to obtain the target product.

[0045] The temperature of the twin-screw extruder described in step C is 150~210nb°C, and the rotation speed is 50~70rpm.

[00...

Embodiment 1

[0049] (1) The weight percentage formula is as follows:

[0050] Recycled tobacco film masterbatch 5

[0051] PLA 95

[0052] PE-g-MAH 2

[0053] DA-310ST 0.5

[0054] White oil 0.5

[0055] (2) Preparation method:

[0056] A. Place the reclaimed cigarette film masterbatch and PLA in a vacuum drying oven to dry;

[0057] B. According to the weight percentage formula, weigh the dried recycled cigarette film masterbatch, PLA, PE-g-MAH, P990, white oil;

[0058] C. Place the weighed components in a high-speed kneader, keep the speed at 2000 rpm, and stir at high speed for 20 minutes;

[0059] D. Add the uniformly mixed recycled cigarette film masterbatch, PLA, PE-g-MAH, P990, and white oil to the feeding port of the twin-screw extruder. The temperature of the twin-screw extruder is 150-210°C, and the rotation speed is 70rpm; The raw material extruded from the screw is sent to the pelletizer after being cooled and cut into pellets, such as figure 1 As shown, dry and set as...

Embodiment 2

[0064] (1) The weight percentage formula is as follows:

[0065] Recycled tobacco film masterbatch 10

[0066] PLA90

[0067] POE-g-GMA 5

[0068] DA-310ST 1

[0069] white oil 1

[0070] (2) Preparation method:

[0071] A. Place the reclaimed cigarette film masterbatch and PLA in a vacuum drying oven to dry;

[0072] B. According to the weight percentage formula, weigh the dried recycled cigarette film masterbatch, PLA, POE-g-GMA, DA-310ST, white oil;

[0073] C. Place the weighed components in a high-speed kneader, keep the speed at 1000-6000rpm, and stir at high speed for 5-30min;

[0074] D. Add the uniformly mixed recycled cigarette film masterbatch, PLA, POE-g-GMA, DA-310ST, and white oil to the feeding port of the twin-screw extruder. The temperature of the twin-screw extruder is 150-210°C, and the speed is 150rpm; the raw material extruded from the screw is cooled and sent to the pelletizer to be cut into pellets, such as figure 1 As shown, dry and set aside; ...

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Abstract

The invention discloses a low-cost black FDM printing wire prepared by using recycled cigarette film masterbatch and its preparation method and application. The black FDM printing wire consists of 5-40 parts by weight of recycled cigarette film masterbatch, polylactic acid It is prepared from the raw material composition of 60-95 parts, 0.2-3 parts of compatibilizer, 0.5-1 part of toughening agent, 0.5-1.5 parts of auxiliary agent and 0.5-1 part of white oil. The preparation method is to weigh each raw material according to the formula ratio and add it to a high-mixer to stir to obtain material a; extrude through a twin-screw extruder, then cut to obtain material b, and extrude through a die on the twin-screw extruder to obtain the target product . The invention adopts the blending of low-density polyethylene (PE) and polylactic acid (PLA) from cigarette film recycling masterbatch in Yunnan area to prepare polymer wire suitable for black 3D printing. The invention can find a black masterbatch for 3D printing PLA wire Inexpensive substitute, good coloring effect, uniform and no color cast, broaden the application range of recycled cigarette film masterbatch, realize green recycling of PE polymer materials, and provide novel 3D printing filaments.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a low-cost black FDM printing wire material prepared by using recycled cigarette film masterbatch, a preparation method and application thereof. Background technique [0002] The tobacco planting area in Yunnan Province ranks first in the country. The tobacco industry is an important economic pillar industry in Yunnan Province and has an important impact on economic growth. In order to prevent weeds and increase the ground temperature, tobacco farmers need a large amount of mulching film during the tobacco cultivation process. The average life cycle of tobacco film is 1 to 3 years, so there is a large amount of waste tobacco film in Yunnan Province every year. At present, there are many waste cigarette film recycling enterprises in Yunnan that can produce more than 30,000 tons of recycled cigarette film materials every year. Compared with ordinary household recycled...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/04C08L23/06C08L51/06C08L23/08C08L91/00B29B9/06B29C48/02B29C48/05B33Y70/10
CPCC08L67/04B29B9/06B29C48/022B29C48/05B33Y70/00C08L2207/20C08L2207/066C08L2205/035C08L23/06C08L51/06C08L23/0853C08L91/00
Inventor 吴琼王宝玲李劲东李维莉鞠海东刘空崔焱
Owner KUNMING UNIV
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